Statement Of Members' Equity
| Concept | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | 2022-04-01 to 2023-03-31 | As at 2023-03-31 | 2022-04-01 to 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | 2022-04-01 to 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | 2022-04-01 to 2023-03-31 | As at 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | 2022-04-01 to 2023-03-31 | As at 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | As at 2023-03-31 | As at 2022-03-31 | As at 2022-03-31 | As at 2022-03-31 | 2021-04-01 to 2022-03-31 | 2021-04-01 to 2022-03-31 | 2021-04-01 to 2022-03-31 | 2021-04-01 to 2022-03-31 | As at 2022-03-31 | As at 2022-03-31 | 2021-04-01 to 2022-03-31 | As at 2022-03-31 | 2021-04-01 to 2022-03-31 | 2021-04-01 to 2022-03-31 | As at 2022-03-31 | 2021-04-01 to 2022-03-31 | As at 2022-03-31 | 2021-04-01 to 2022-03-31 | As at 2022-03-31 | As at 2022-03-31 | As at 2022-03-31 | 2021-04-01 to 2022-03-31 | 2021-04-01 to 2022-03-31 | 2021-04-01 to 2022-03-31 | As at 2022-03-31 | 2021-04-01 to 2022-03-31 | As at 2022-03-31 | 2021-04-01 to 2022-03-31 | As at 2022-03-31 | As at 2022-03-31 | As at 2022-03-31 | 2021-04-01 to 2022-03-31 | As at 2022-03-31 | 2021-04-01 to 2022-03-31 | 2021-04-01 to 2022-03-31 | As at 2022-03-31 | As at 2022-03-31 | As at 2022-03-31 | 2021-04-01 to 2022-03-31 | As at 2022-03-31 | As at 2022-03-31 | 2021-04-01 to 2022-03-31 | As at 2022-03-31 | 2021-04-01 to 2022-03-31 | 2021-04-01 to 2022-03-31 | 2021-04-01 to 2022-03-31 | 2021-04-01 to 2022-03-31 | As at 2022-03-31 | As at 2021-03-31 | As at 2021-03-31 | As at 2021-03-31 | As at 2021-03-31 | As at 2021-03-31 | As at 2021-03-31 | As at 2021-03-31 | As at 2021-03-31 | As at 2021-03-31 | As at 2021-03-31 | As at 2021-03-31 | As at 2021-03-31 | As at 2021-03-31 | As at 2021-03-31 | As at 2021-03-31 | As at 2021-03-31 | As at 2021-03-31 | As at 2021-03-31 | As at 2021-03-31 | As at 2021-03-31 | As at 2021-03-31 | As at 2021-03-31 | As at 2021-03-31 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of members' equity | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Statement of members' equity | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Net assets | — | — | — | — | — | — | 
                                                62,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                45,821,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                77,588,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                4,097,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                117,495,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                117,495,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                73,490,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                428,281,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                858,864,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                641,476,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                18,692,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                125,705,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                453,557,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -7,181,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -7,227,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                7,604,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                31,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                904,779,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                25,276,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                641,413,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                622,845,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                62,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                12,088,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                7,435,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                25,276,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -2,406,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                73,494,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                11,944,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                91,550,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                125,692,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                4,097,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                642,261,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                602,694,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                69,396,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                453,547,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -2,357,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                428,271,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                117,495,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                843,524,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                115,407,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                6,734,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                130,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                130,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,177,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                959,063,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                117,495,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                642,131,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                161,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                117,495,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                117,495,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                161,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                54,593,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                451,593,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                831,222,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                148,013,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                148,531,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,622,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                476,869,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -5,785,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                388,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -6,317,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                13,497,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                998,906,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                25,276,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                646,738,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                570,981,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                646,900,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                167,522,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                58,691,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,097,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Changes during period | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) | — | — | — | 
                                                15,975,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                15,975,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | 
                                                15,975,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                15,975,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                32,176,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                27,234,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                27,234,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                42,958,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                27,234,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                27,234,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Net changes in items other than shareholders' equity | — | 
                                                31,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                144,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | 
                                                700,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | 
                                                2,426,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -68,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -68,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -68,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                -69,623,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -72,857,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -69,586,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                -31,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                -31,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                6,346,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                -52,114,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                -56,463,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -1,553,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                -52,145,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -31,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                -444,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Total changes during period | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                31,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,094,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                144,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -717,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                15,339,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                20,151,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                700,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,094,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                13,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                2,426,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -68,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -68,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -785,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                -54,283,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -72,857,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -69,586,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -4,824,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -4,820,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -31,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -4,607,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -31,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                6,346,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -23,321,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                3,911,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -52,114,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                14,802,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -56,463,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                32,079,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -1,553,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -23,321,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                3,428,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -22,838,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -39,476,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -4,638,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                14,802,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                12,669,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -444,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |